diff options
Diffstat (limited to 'gcc/testsuite')
-rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
-rw-r--r-- | gcc/testsuite/c-c++-common/asmgoto-4.c | 44 | ||||
-rw-r--r-- | gcc/testsuite/gcc.target/i386/pr44071.c | 103 |
3 files changed, 151 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 8a74fd13476..ee0fab84ca2 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,9 @@ 2010-05-11 Jakub Jelinek <jakub@redhat.com> + PR middle-end/44071 + * c-c++-common/asmgoto-4.c: New test. + * gcc.target/i386/pr44071.c: New test. + PR c++/44062 * c-c++-common/Wunused-var-7.c: New test. * g++.dg/warn/Wunused-var-9.C: New test. diff --git a/gcc/testsuite/c-c++-common/asmgoto-4.c b/gcc/testsuite/c-c++-common/asmgoto-4.c new file mode 100644 index 00000000000..4532bf196ee --- /dev/null +++ b/gcc/testsuite/c-c++-common/asmgoto-4.c @@ -0,0 +1,44 @@ +/* PR middle-end/44071 */ +/* { dg-do compile } */ +/* { dg-options "-O2" } */ + +static inline int +f1 (void) +{ + asm goto ("" : : : : l1, l2); + __builtin_unreachable (); + l1: + return 1; + l2: + return 0; +} + +int +b1 (int x) +{ + if (f1 () || x == 6) + x = 1; + else + x = 2; + return x; +} + +static inline int +f2 (void) +{ + asm goto ("" : : : : l1, l2); + l1: + return 1; + l2: + return 0; +} + +int +b2 (int x) +{ + if (f2 () || x == 6) + x = 1; + else + x = 2; + return x; +} diff --git a/gcc/testsuite/gcc.target/i386/pr44071.c b/gcc/testsuite/gcc.target/i386/pr44071.c new file mode 100644 index 00000000000..514c5e2fd2c --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr44071.c @@ -0,0 +1,103 @@ +/* PR middle-end/44071 */ +/* { dg-do run } */ +/* { dg-options "-O2" } */ + +static inline int +f1 (void) +{ + asm goto ("jmp %l[l1]" : : : : l1, l2); + __builtin_unreachable (); + l1: + return 1; + l2: + return 0; +} + +__attribute__((noinline)) int +b1 (int x) +{ + if (f1 () || x == 6) + x = 1; + else + x = 2; + return x; +} + +static inline int +f2 (void) +{ + asm goto ("jmp %l[l2]" : : : : l1, l2); + __builtin_unreachable (); + l1: + return 1; + l2: + return 0; +} + +__attribute__((noinline)) int +b2 (int x) +{ + if (f2 () || x == 6) + x = 1; + else + x = 2; + return x; +} + +static inline int +f3 (void) +{ + asm goto ("jmp %l[l1]" : : : : l1, l2); + l1: + return 1; + l2: + return 0; +} + +__attribute__((noinline)) int +b3 (int x) +{ + if (f3 () || x == 6) + x = 1; + else + x = 2; + return x; +} + +static inline int +f4 (void) +{ + asm goto ("jmp %l[l2]" : : : : l1, l2); + l1: + return 1; + l2: + return 0; +} + +__attribute__((noinline)) int +b4 (int x) +{ + if (f4 () || x == 6) + x = 1; + else + x = 2; + return x; +} + +extern void abort (void); + +int +main (void) +{ + int x; + asm ("" : "=r" (x) : "0" (0)); + if (b1 (x) != 1 || b1 (x + 6) != 1) + abort (); + if (b2 (x) != 2 || b2 (x + 6) != 1) + abort (); + if (b3 (x) != 1 || b3 (x + 6) != 1) + abort (); + if (b4 (x) != 2 || b4 (x + 6) != 1) + abort (); + return 0; +} |